Deadly helicopter crashe on London tower

A damaged crane is seen on the St George's Tower in Vauxhall, south London Jan.16, 2013. A helicopter crashed into a crane near a railway station in central London during the morning rush hour on Wednesday, bursting into flames and throwing plumes of smoke into the air. (REUTERS/Stefan Wermuth)

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A damaged crane is seen on the St George's Tower in Vauxhall, south London January 16, 2013. A helicopter crashed into a crane near a railway station in central London during the morning rush hour on Wednesday, bursting into flames and throwing plumes of smoke into the air. (REUTERS/Stefan Wermuth)

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A helicopter crashed into a crane on top of St George Wharf Tower in Vauxhall, South London, England early Wednesday, Jan. 16, 2012(WENN.com)

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A helicopter crashed into a crane on top of St George Wharf Tower in Vauxhall, South London, England early Wednesday, Jan. 16, 2012(WENN.com)

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Debris from a crashed helicopter is seen in Vauxhall, London January 16, 2013. A helicopter crashed into a crane on top of one of Europe's tallest residential blocks in central London on Wednesday, killing two people as it burst into flames and threw plumes of smoke into the foggy air. (REUTERS/Neil Hall)

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Emergency services attend the scene of a crashed helicopter in Vauxhall, London January 16, 2013. A helicopter crashed into a crane on top of one of Europe's tallest residential blocks in central London on Wednesday, killing two people as it burst into flames and threw plumes of smoke into the foggy air. (REUTERS/Neil Hall)

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Smoke rises from debris as police and emergency services attend the scene of a helicopter crash in Vauxhall, south London January 16, 2013. A helicopter crashed into a crane near a railway station in central London during the morning rush hour on Wednesday, bursting into flames and throwing plumes of smoke into the air. (REUTERS/Stefan Wermuth)

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Smoke rises from debris as police and emergency services attend the scene of a helicopter crash in Vauxhall, south London January 16, 2013. A helicopter crashed into a crane near a railway station in central London during the morning rush hour on Wednesday, bursting into flames and throwing plumes of smoke into the air. (REUTERS/Stefan Wermuth)